[PATCH 4.9 86/87] KVM: SVM: Implement VIRT_SPEC_CTRL support for SSBD

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Tom Lendacky commit bc226f07dcd3c9ef0b7f6236fe356ea4a9cb4769 upstream Expose the new virtualized architectural mechanism, VIRT_SSBD, for using speculative store bypass

[PATCH 4.9 86/87] KVM: SVM: Implement VIRT_SPEC_CTRL support for SSBD

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Tom Lendacky commit bc226f07dcd3c9ef0b7f6236fe356ea4a9cb4769 upstream Expose the new virtualized architectural mechanism, VIRT_SSBD, for using speculative store bypass disable (SSBD) under